'use client';

import { useEffect, useMemo, useState } from 'react';
import { usePathname, useRouter, useSearchParams } from 'next/navigation';
import { Component, ListChecks } from 'lucide-react';

import { Badge } from '@/components/ui/badge';
import { Card, CardContent } from '@/components/ui/card';
import { Tabs, TabsList, TabsTrigger } from '@/components/ui/tabs';
import { DEFECT_CLASS_STATUS_CONFIG } from '@/constants/defectClassStatus';
import { cn } from '@/lib/utils';
import type { TicketOverviewDetail } from '@/types';

import { useTicketDefectClassesQuery } from '../../hooks/useTicketQueries';
import { TicketClassDetectionPreview } from './TicketClassDetectionPreview';

interface TicketDefectClassTabsProps {
  ticketId: string;
  ticket?: TicketOverviewDetail;
}

export function TicketDefectClassTabs({
  ticketId,
  ticket,
}: TicketDefectClassTabsProps) {
  const router = useRouter();
  const pathname = usePathname();
  const searchParams = useSearchParams();
  const defectClassParam = searchParams.get('defect_class');
  const defectClassesQuery = useTicketDefectClassesQuery(ticketId);
  const defectClasses = useMemo(
    () => defectClassesQuery.data?.defect_classes ?? [],
    [defectClassesQuery.data?.defect_classes],
  );
  const [selectedClass, setSelectedClass] = useState<string>();

  useEffect(() => {
    if (!defectClasses.length) return;

    const hasUrlClass = defectClasses.some(
      (item) => item.class_name === defectClassParam,
    );

    if (hasUrlClass) {
      setSelectedClass(defectClassParam ?? undefined);
      return;
    }

    const firstClass = defectClasses[0].class_name;
    const nextParams = new URLSearchParams(searchParams.toString());
    nextParams.set('defect_class', firstClass);
    setSelectedClass(firstClass);
    router.replace(`${pathname}?${nextParams.toString()}`, { scroll: false });
  }, [defectClassParam, defectClasses, pathname, router, searchParams]);

  const handleClassChange = (className: string) => {
    const nextParams = new URLSearchParams(searchParams.toString());

    nextParams.set('defect_class', className);
    setSelectedClass(className);
    router.replace(`${pathname}?${nextParams.toString()}`, { scroll: false });
  };
  const selectedIssue = ticket?.ai_result.detections_by_class.find(
    (item) => item.class_name === selectedClass,
  );
  const selectedClassItem = defectClasses.find(
    (item) => item.class_name === selectedClass,
  );
  const previewDisplayName =
    selectedIssue?.display_name ??
    selectedClassItem?.display_name ??
    selectedClass ??
    'Detection';
  const previewVideoId = ticket?.video_id ?? defectClassesQuery.data?.video_id;

  if (defectClassesQuery.isLoading) {
    return (
      <Card className="w-full rounded-lg">
        <CardContent className="space-y-4 p-5">
          <div className="h-5 w-24 animate-pulse rounded-lg bg-muted" />
          <div className="flex flex-col gap-2">
            {Array.from({ length: 3 }).map((_, index) => (
              <div
                key={index}
                className="h-11 w-full animate-pulse rounded-lg bg-muted"
              />
            ))}
          </div>
        </CardContent>
      </Card>
    );
  }

  if (defectClassesQuery.isError || !defectClasses.length || !selectedClass) {
    return null;
  }

  return (
    <Tabs
      value={selectedClass}
      onValueChange={handleClassChange}
      orientation="vertical"
      className="w-full"
    >
      <Card className="w-full">
        <CardContent className="grid gap-0 p-0 lg:grid-cols-[minmax(220px,280px)_1fr] lg:divide-x lg:divide-border">
          <div className="space-y-4 px-5">
            <div className="flex items-center gap-2">
              <ListChecks className="size-5 shrink-0 text-primary" />
              <h2 className="text-base font-semibold">Detected Issues</h2>
              <Badge
                variant="secondary"
                className="min-w-5 min-h-5 justify-center rounded-full"
              >
                {defectClasses.length}
              </Badge>
            </div>

            <TabsList className="flex h-auto w-full flex-col items-stretch gap-2 bg-transparent p-0">
              {defectClasses.map((item) => {
                const statusConfig =
                  DEFECT_CLASS_STATUS_CONFIG[item.assignment_status];

                return (
                  <TabsTrigger
                    key={item.class_name}
                    value={item.class_name}
                    className={cn(
                      'group h-auto w-full flex-none items-center justify-between! gap-2 rounded-lg border bg-muted/30 px-3 py-2.5 text-sm text-muted-foreground shadow-none after:hidden',
                      'data-[state=active]:bg-muted data-[state=active]:text-foreground',
                    )}
                  >
                    <span className="min-w-0 truncate text-left font-medium">
                      {item.display_name}
                    </span>
                    <Badge
                      className={cn(
                        'shrink-0 rounded-full',
                        statusConfig.badgeClassName,
                      )}
                    >
                      <Component className="size-3" />
                      {statusConfig.label}
                    </Badge>
                  </TabsTrigger>
                );
              })}
            </TabsList>
          </div>

          <div className="min-w-0 px-5">
            <TicketClassDetectionPreview
              ticketId={ticketId}
              videoId={previewVideoId}
              defectClassName={selectedClass}
              displayName={previewDisplayName}
              totalCount={selectedIssue?.count}
            />
          </div>
        </CardContent>
      </Card>
    </Tabs>
  );
}